Home / 5,439.12-7,503.45-3,199.59

Finding the Fourth Proportional to 5,439.12, 7,503.45 and 3,199.59

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Solution

The fourth proportional to 5,439.12, 7,503.45 and 3,199.59 is: 4,413.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.12 : 7,503.45 = 3,199.59 : x
  2. Step 2: Convert to fraction form
    5,439.12/7,503.45 = 3,199.59/x
  3. Step 3: Cross multiply
    5,439.12x = 7,503.45 × 3,199.59
  4. Step 4: Simplify right side
    5,439.12x = 24,007,963.59
  5. Step 5: Solve for x
    x = 24,007,963.59/5,439.12
  6. Step 6: Final answer
    x = 4,413.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.